Mitsubishi Electric MSZ-FD25VA-E1 Скачать руководство пользователя страница 35 | Manualshive

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2. Power monitor receiver P.C. board

DC 2.5 V during PLASMA DEODORIZING operation

DC 12.5 V during PLASMA DEODORIZING operation

GND

CN1

4. Plasma power P.C. board

3. Monitor P.C. board

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Содержание MSZ-FD25VA-E1

Страница 1: ...S 36 SPLIT TYPE AIR CONDITIONERS NOTE RoHS compliant products have G mark on the spec name plate Outdoor unit service manual MUZ FD VA H Series OBH489 MUZ FD VABH Series OBH519 MXZ A VA Series OB377 MXZ 8A140A OC316 SERVICE MANUAL Models No OBH488 REVISED EDITION C INDOOR UNIT PARTS CATALOG OBB488 Revision C MSZ FD VA S E2 has been added Please void OBH488 REVISED EDITION B MSZ FD25VA E1 E2 MSZ FD...

Страница 2: ...2 Revision A 3 SPECIFICATION has been corrected 10 5 TROUBLE CRITERION OF MAIN PARTS has been corrected Revision B MSZ FD50VA S E1 has been added Revision C MSZ FD VA S E2 has been added ...

Страница 3: ...SZ FD35VA E1 MSZ FD35VAS E1 MSZ FD50VA E1 MSZ FD50VAS E1 1 New model TECHNICAL CHANGES 1 MSZ FD25VA S E1 MSZ FD25VA S E2 MSZ FD35VA S E1 MSZ FD35VA S E2 MSZ FD50VA S E1 MSZ FD50VA S E2 1 Remote controller has been changed KM08A KM09D ...

Страница 4: ...tal vane Vertical vane Heat exchanger Emergency operation switch Remote controller Remote control receiving section AREA lamp POWER lamp CLEAN lamp PLASMA lamp Operation Indicator lamp Front panel AREA lamp indicates AREA setting In AREA setting the horizontal air flow direction changes automatically according to the detection of i see Sensor which detects the floor wall temperature to air conditi...

Страница 5: ...Heating Super High 43 44 50 High 36 43 Med 29 37 Low 20 21 27 Fan speed Cooling Super High rpm 1 190 1 500 High 950 1 200 Med 740 1 000 Low 580 760 Heating Super High 1 270 1 300 1 500 High 1 010 1 200 Med 780 1 000 Low 570 590 680 Fan speed regulator 4 Remote controller model E1 KM08A E2 KM09D NOTE Test conditions are based on ISO 5151 Cooling Indoor Dry bulb temperature 27 C Wet bulb temperature...

Страница 6: ...t bulb temperature 15 5 43 44 NC 10 MSZ FD35VA MSZ FD35VAS 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING 42 43 NC 10 MSZ FD50VA MSZ FD50VAS NOISE CRITERIA CURVES 4 90 80 70 60 50 40 30 20 10 63 125 250 500...

Страница 7: ...ing Drain hose Air in Air out 19 159 58 Unit mm MSZ FD25VA MSZ FD25VAS MSZ FD35VA MSZ FD35VAS MSZ FD50VA MSZ FD50VAS Piping Insulation ø35 O D Liquid line ø7 0 5 m Flared connection ø6 35 Gas line 25 35 ø9 52 0 43 m Flared connection ø9 52 50 ø9 52 0 43 m Flared connection ø12 7 Drain hose Insulation ø28 O D Connected part ø16 O D MSZ FD25VA MSZ FD25VAS MSZ FD35VA MSZ FD35VAS MSZ FD50VA MSZ FD50VA...

Страница 8: ...oil thermistor RT13 sub Refrigerant flow in cooling Refrigerant flow in heating Unit mm MSZ FD50VA MSZ FD50VAS Indoor heat exchanger Main Flared connection Room temperature thermistor RT11 Flared connection Refrigerant pipe ø12 7 with heat insulator Refrigerant pipe ø6 35 with heat insulator Indoor coil thermistor RT12 main Indoor coil thermistor RT13 sub Refrigerant flow in cooling Refrigerant fl...

Страница 9: ... modification press the RESET button NOTE For modification take out the batteries and press the OPERATE STOP ON OFF button twice or 3 times at first After modification put back the batteries then press the RESET button MSZ FD25VA MSZ FD25VAS MSZ FD35VA MSZ FD35VAS MSZ FD50VA MSZ FD50VAS J2 J1 Table 1 1 unit operation 2 units operation 3 units operation 4 units operation No 1 unit No modification S...

Страница 10: ...ntrol P C board AUTO RESTART FUNCTION automatically starts operation in the same mode just before the shutoff of the main power Operation If the main power has been cut the operation settings remain After the power is restored the unit restarts automatically according to the memory However it takes at least 3 minutes for the compressor to start running How to release AUTO RESTART FUNCTION Turn OFF...

Страница 11: ...A button Temperature buttons NOTE Last setting will be stored after the unit is turned OFF with the remote controller Indoor unit receives the signal of the remote controller with beeps WIRELESS REMOTE CONTROLLER INDOOR UNIT LAMP MSZ FD25VA MSZ FD25VAS MSZ FD35VA MSZ FD35VAS MSZ FD50VA MSZ FD50VAS The lamps at the center of the indoor unit indicates the operation state Lamp Operation state AREA Re...

Страница 12: ...heat exchanger and or the room tem perature is low or when defrosting is being done the indoor fan will stop or rotate in Very Low speed 2 High pressure protection The compressor operational frequency is controlled by the temperature of the indoor heat exchanger to prevent the con densing pressure from increasing excessively When the temperature of indoor heat exchanger becomes too high the high p...

Страница 13: ...N standby 6 Dew prevention During COOL or DRY operation with the vane angle at Angle 3 5 when the compressor cumulative operation time exceeds 1 hour or 30 minutes the vane angle automatically changes to Angle 2 for dew prevention NOTE 2 FOR MULTI SYSTEM AIR CONDITIONER OUTDOOR UNIT MXZ series Multi system air conditioner can connect two or more indoor units with one outdoor unit When you try to o...

Страница 14: ... the previously set position and the air conditioner starts the heat operation in approx 3 minutes NOTE If you make the airflow not to blow directly onto your body by pressing VANE CONTROL button the compressor stops for 3 minutes even during the operation of the air conditioner The air conditioner operates with Very Low speed until the compressor turns on again 10 ECONO COOL operation ECONOmical ...

Страница 15: ...he indoor unit is moved with the stepping motor and it detects the floor wall temperature i see Sensor is installed here Enlarged view of i see Sensor 9 7 AREA SETTING 1 Press OPERATE STOP ON OFF button to start the air conditioner 2 Press i see button NOTE 1 3 Press AREA button Each time the button is pressed the area is changed in sequence AUTO LEFT RIGHT Cancel i see Sensor moves intermittently...

Страница 16: ...on the remote controller The horizontal air flow direction is controlled in this range Installed at center Installed at left Installed at right Indoor unit display AREA Remote controller display or or Lighted Not lighted L R L R L R L R L R Ex In COOL mode Moving of horizontal air flow direction Indoor unit display NOTE Indication of AREA setting Lighted Not lighted The horizontal air flow directi...

Страница 17: ...he left and center The sensor finishes turning to one area to another for 3 seconds and it operates one area for 5 seconds i see Sensor turning to the right i see Sensor turning to the center i see Sensor turning to the left Description of PLASMA operation Plasma operation consists of deodorizing and air purifying features Particles of odor releasing substances are absorbed and decomposed by the p...

Страница 18: ...button is pressed the set time decreases by 10 minutes 2 To release the timer To release ON timer press ON TIMER button START To release OFF timer press OFF TIMER button STOP TIMER is cancelled and the display of set time disappears Example 1 The current time is 8 00 PM The unit turns off at 11 00 PM and on at 6 00 AM OFF timer and ON timer can be used in combination The timer of the set time that...

Страница 19: ...revention works even in emergency operation In the test run or emergency operation the horizontal vane operates in VANE AUTO mode Emergency operation continues until EMERGENCY OPERATION switch is pressed once or twice or the unit receives any signal from the remote controller In case of latter normal operation will start NOTE Do not press EMERGENCY OPERATION switch during normal operation 9 12 3 M...

Страница 20: ...onnector DO NOT pull the lead wires 3 Troubleshooting procedure 1 First check if the OPERATION INDICATOR lamp on the indoor unit is flashing ON and OFF to indicate an abnormality To make sure check how many times the abnormality indication is flashing on and off before starting service work 2 Before servicing check that the connector and terminal are connected properly 3 When the P C board seems t...

Страница 21: ...able Refer to 10 2 4 Make sure to check at least two consecutive blinking cycles 2 Releasing the failure mode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller The outdoor unit is abnormal Check the blinking pattern and confirm the abnormal point with the outdoor unit failu...

Страница 22: ... the set temperature to 23 C 1 1 Regardless of normal or abnormal condition 2 short beeps are emitted as the signal is received The plasma electrode unit is abnormal Check the blinking pattern and refer to confirm the abnormal point with the PLASMA operation failure mode table 10 2 5 Make sure to check at least two consecutive blinking cycles 2 Releasing the failure mode recall function Release th...

Страница 23: ...e above mentioned voltage measurement NOTE 3 When POWER lamp flashes 1 time or 2 time please perform PLASMA operation check Refer to 10 2 3 4 Indoor unit failure mode table POWER lamp Abnormal point Failure mode Condition Correspondence Not lighted Normal 1 time flash every 0 5 second Room temperature thermistor The room temperature thermistor short or open circuit is detected every 8 seconds dur ...

Страница 24: ...se Indoor unit Trouble of room temperature indoor coil thermistor POWER lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor POWER lamp 4 time flash Cause Indoor unit Trouble of indoor unit control system POWER lamp 5 time flash Cause Outdoor unit Outdoor power system abnormality POWER lamp 6 time flash Cause Outdoor unit Trouble of thermistor in outdoor unit POWER lamp 7 time flash Cau...

Страница 25: ...tile memory of the indoor electronic control P C board Replace the indoor electronic control P C board 5 Outdoor power sys tem POWER lamp flashes 5 time flash 2 5 second OFF It consecutively occurs 3 times that the com pressor stops for overcurrent protection or start up failure protection within 1 minute after start up Refer to How to check of in verter compressor Refer to outdoor unit service ma...

Страница 26: ...mp flashes 2 time flash 2 5 second OFF Indoor unit and outdoor unit do not operate PLASMA operation can not be turned OFF even if the PLASMA operation is turned OFF with remote controller Refer to 10 6 Check of PLASMA operation L AREA R POWER CLEAN PLASMA No Abnormal point Operation indicator lamp Symptom Condition Correspondence 1 MXZ type Operation mode setting POWER lamp is lighted AREA lamps f...

Страница 27: ...ls with a tester Part temperature 10 30 C Color of the lead wire Normal Horizontal vane motor MV1 BRN other one 313 375 Ω Vertical vane motor MV2 268 322 Ω i see Sensor motor MT 223 268 Ω i see Sensor RR Cover the i see Sensor with black vinyl tape Then turn ON the power supply i see Sensor is energized Measure the voltage between connector terminals of i see Sensor with a tester Part temperature ...

Страница 28: ...ure the voltage between CN211 and 2 Measure the voltage between CN211 and If more than 12 seconds passes after EMERGENCY OPERATION switch is pressed the voltage measured at 2 above goes 0 VDC although the indoor electronic control P C board is normal Is there 325 VDC between CN211 and and does the voltage between CN211 and rise to the range of 3 to 6 VDC within 12 seconds after EMERGENCY OPERA TIO...

Страница 29: ...troller visible Remove the batteries then set them back and press RESET button Refer to 10 1 4 Check if the unit operates with the remote controller Yes No Turn ON a radio to AM and press OP ERATE STOP ON OFF button on the remote controller Is noise heard from radio Yes No Replace the remote controller Are there any fluorescent lights of inverter or rapid start type within the range of 1 m Yes No ...

Страница 30: ...ristor NR11 and fuse F11 Is the varistor NR11 burnt and the fuse F11 blown No No Yes Yes Be sure to check both the fuse and the varistor in any case Is the fuse F11 blown only Measure the resistance between and of the indoor fan motor connector 1 2 1 The fan motor connector s lead wire is red whereas is black 2 Connect of the tester to fan motor connector s lead wire and to lead wire otherwise the...

Страница 31: ...ly Remove the short circuit between out door terminal block S2 and S3 Turn ON the power supply Is there amplitude of 10 to 20 VDC between outdoor terminal block S2 and S3 Confirmation of serial signal Yes No Is there any error of the in door outdoor connecting wire such as the damage of the wire intermediate connection poor contact to the terminal block Yes Replace the indoor outdoor connecting wi...

Страница 32: ...LECTRODE UNIT and the high voltage lead part red wire While pressing both OPERATION SELECT button and TOO COOL button on the remote controller at the same time press RESET button First release RESET button And release the other two buttons after all LCD except the set temperature in operation display section of the remote controller is displayed after 3 seconds Press OPERATE STOP ON OFF button the...

Страница 33: ...r the installation condition combination of specific conditions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor o...

Страница 34: ...11 CN111 Indoor coil thermistor RT12 RT13 CN112 Timer short mode point JPG JPS Refer to 8 1 SW P C Board i see Sensor CN110 Fuse F11 Vertical vane CN151 Plasma electrode unit CN1T1 CN201 Used for check of con ducting of thermal fuse Interlock switch Fan CN1R1 0 or 15 VDC 3 6 VDC 15 VDC Fiducial terminal of cathode side on measur ing high voltage DC 325 VDC Cement resistor R111 Indoor fan motor CN2...

Страница 35: ...35 2 Power monitor receiver P C board DC 2 5 V during PLASMA DEODORIZING operation DC 12 5 V during PLASMA DEODORIZING operation GND CN1 4 Plasma power P C board 3 Monitor P C board ...

Страница 36: ...ve the panel by pushing it upward Photo 1 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Screws of the panel Front panel Horizontal vane Terminal with locking mechanism Detach...

Страница 37: ...r monitor receiver P C board holder and pull out the power monitor receiver P C board 9 Open the sensor holder and pull out the SW P C board 10 Pull the electronic control P C board slightly toward you from the electrical box and disconnect TAB3 and all the connectors on the electronic control P C board 11 Pull out the electronic control P C board from the electrical box 12 Remove the earth wire c...

Страница 38: ...rd holder and the plasma power P C board holder Photo 4 6 Pull out the drain hose from the nozzle assembly and remove the nozzle assembly 7 Remove the interlock switch Photo 6 5 Removing the vertical vane motor unit 1 Remove the nozzle assembly Refer to 4 2 Remove the crank of the vertical vane motor unit from the arm of the vertical vane 3 Remove the screw of the vertical vane motor unit and pull...

Страница 39: ...4 Remove the screws fixing the motor bed Photo 10 5 Loosen the screw fixing the line flow fan Photo 11 6 Remove the motor bed together with fan motor and motor band 7 Release the hooks of the motor band Remove the motor band Pull out the indoor fan motor 8 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor RT12 in its former position when assembling it Ref...

Страница 40: ...RIC CO LTD Distributed in Dec 2008 No OBH488 REVISED EDITION C 5 Distributed in Jul 2008 No OBH488 REVISED EDITION B 6 Distributed in Oct 2007 No OBH488 REVISED EDITION A 6 Distributed in Aug 2007 No OBH488 6 Made in Japan New publication effective Dec 2008 Specifications subject to change without notice ...

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